/*
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 * and open the template in the editor.
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package com.tlf.dyjc5.servlet.point;

import com.tlf.dyjc5.service.VoltageLevelService;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.web.util.JsonUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 *
 * @author tengyu
 */
public class VoltageLevelSave extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
            VoltageLevelService voltageLevelService = (VoltageLevelService) context.getBean("voltageLevelService");
            String msg = null;
            String command = request.getParameter("cmd");
            boolean result = false;

            String code = request.getParameter("code");
            String name = request.getParameter("name");

            String voltageStr = request.getParameter("voltage");
            double voltage = 0;
            if (voltageStr != null && !"".equals(voltageStr.trim())) {
                voltage = Double.parseDouble(voltageStr);
            }

            String lowerLimitStr = request.getParameter("lowerLimit");
            double lowerLimit = 0;
            if (lowerLimitStr != null && !"".equals(lowerLimitStr.trim())) {
                lowerLimit = Double.parseDouble(lowerLimitStr);
            }

            String upperLimitStr = request.getParameter("upperLimit");
            double upperLimit = 0;
            if (upperLimitStr != null && !"".equals(upperLimitStr.trim())) {
                upperLimit = Double.parseDouble(upperLimitStr);
            }

            String ratioStr = request.getParameter("ratio");
            double ratio = 0;
            if (ratioStr != null && !"".equals(ratioStr.trim())) {
                ratio = Double.parseDouble(ratioStr);
            }

            String pointTypeIdStr = request.getParameter("pointTypeId");
            long pointTypeId = 0;
            if (pointTypeIdStr != null && !"".equals(pointTypeIdStr.trim())) {
                pointTypeId = Integer.parseInt(pointTypeIdStr);
            }

            String note = request.getParameter("note");

            if ("create".equals(command)) {
                result = voltageLevelService.add(code, name, voltage, lowerLimit, upperLimit, ratio, pointTypeId, note);

            } else if ("update".equals(command)) {
                long id = Long.parseLong(request.getParameter("id"));
                result = voltageLevelService.update(id, code, name, voltage, lowerLimit, upperLimit, ratio, pointTypeId, note);
            }
            if (result) {
                out.println(JsonUtil.createSuccessJsonResponse(msg));
            } else {
                out.print(JsonUtil.createFailureJsonResponse("数据库操作失败"));
            }

        } catch (DuplicateKeyException e) {
            String msg = e.getMessage();
            if (msg.indexOf("NAME_t_voltageLevel") != -1) {
                out.print(JsonUtil.createFailureJsonResponse("名称不能和现有数据库中的记录重复"));
            }
        } catch (Exception e) {
            out.print(JsonUtil.createFailureJsonResponse("不明操作错误"));
            e.printStackTrace();
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
